Leonard. Great Lakes Fisheries Policy and Management. Michigan State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeonard. Great Lakes Fisheries Policy and Management. Michigan State University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLeonard. Great Lakes Fisheries Policy and Management. Michigan State University Press.
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